104 lines
3.8 KiB
Haskell
104 lines
3.8 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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{-|
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hledger-web - a hledger add-on providing a web interface.
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Copyright (c) 2007-2012 Simon Michael <simon@joyful.com>
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Released under GPL version 3 or later.
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-}
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module Hledger.Web.Main where
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import Control.Monad (when)
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import Data.String (fromString)
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import qualified Data.Text as T
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import Network.Wai (Application)
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import Network.Wai.Handler.Warp (runSettings, defaultSettings, setHost, setPort)
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import Network.Wai.Handler.Launch (runHostPortUrl)
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import Prelude hiding (putStrLn)
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import System.Exit (exitSuccess)
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import System.IO (hFlush, stdout)
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import Text.Printf (printf)
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import Yesod.Default.Config
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import Yesod.Default.Main (defaultDevelApp)
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import Hledger
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import Hledger.Cli hiding (progname,prognameandversion)
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import Hledger.Utils.UTF8IOCompat (putStrLn)
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import Hledger.Web.Application (makeApplication)
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import Hledger.Web.Settings (Extra(..), parseExtra)
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import Hledger.Web.WebOptions
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hledgerWebMain :: IO ()
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hledgerWebMain = do
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opts <- getHledgerWebOpts
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when (debug_ (cliopts_ opts) > 0) $ printf "%s\n" prognameandversion >> printf "opts: %s\n" (show opts)
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runWith opts
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hledgerWebDev :: IO (Int, Application)
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hledgerWebDev =
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withJournalDoWeb defwebopts (\o j -> defaultDevelApp loader $ makeApplication o j)
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where
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loader =
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Yesod.Default.Config.loadConfig
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(configSettings Development) {csParseExtra = parseExtra}
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runWith :: WebOpts -> IO ()
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runWith opts
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| "help" `inRawOpts` rawopts_ (cliopts_ opts) = putStr (showModeUsage webmode) >> exitSuccess
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| "version" `inRawOpts` rawopts_ (cliopts_ opts) = putStrLn prognameandversion >> exitSuccess
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| "binary-filename" `inRawOpts` rawopts_ (cliopts_ opts) = putStrLn (binaryfilename progname)
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| otherwise = withJournalDoWeb opts web
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-- | A version of withJournalDo specialised for hledger-web.
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-- Disallows the special - file to avoid some bug,
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-- takes WebOpts rather than CliOpts.
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withJournalDoWeb :: WebOpts -> (WebOpts -> Journal -> IO a) -> IO a
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withJournalDoWeb opts@WebOpts {cliopts_ = copts} cmd = do
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journalpaths <- journalFilePathFromOpts copts
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-- https://github.com/simonmichael/hledger/issues/202
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-- -f- gives [Error#yesod-core] <stdin>: hGetContents: illegal operation (handle is closed)
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-- Also we may try to write to this file. Just disallow -.
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when ("-" `elem` journalpaths) $ -- always non-empty
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error' "hledger-web doesn't support -f -, please specify a file path"
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mapM_ requireJournalFileExists journalpaths
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-- keep synced with withJournalDo TODO refactor
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readJournalFiles (inputopts_ copts) journalpaths
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>>= mapM (journalTransform copts)
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>>= either error' (cmd opts)
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-- | The web command.
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web :: WebOpts -> Journal -> IO ()
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web opts j = do
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d <- getCurrentDay
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let initq = queryFromOpts d $ reportopts_ $ cliopts_ opts
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j' = filterJournalTransactions initq j
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h = host_ opts
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p = port_ opts
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u = base_url_ opts
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staticRoot = T.pack <$> file_url_ opts
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appconfig = AppConfig{appEnv = Development
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,appHost = fromString h
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,appPort = p
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,appRoot = T.pack u
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,appExtra = Extra "" Nothing staticRoot
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}
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app <- makeApplication opts j' appconfig
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-- XXX would like to allow a host name not just an IP address here
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_ <- printf "Starting web app on IP address %s port %d with base url %s\n" h p u
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if serve_ opts
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then do
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putStrLn "Press ctrl-c to quit"
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hFlush stdout
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let warpsettings = setHost (fromString h) (setPort p defaultSettings)
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Network.Wai.Handler.Warp.runSettings warpsettings app
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else do
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putStrLn "Starting web browser..."
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putStrLn "Web app will auto-exit after a few minutes with no browsers (or press ctrl-c)"
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hFlush stdout
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Network.Wai.Handler.Launch.runHostPortUrl h p "" app
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